391To Benjamin Franklin from William Strahan, 26 August 1752 (Franklin Papers)
ALS : Historical Society of Pennsylvania I was favoured with yours of June 20, inclosing a Bill...
392To Benjamin Franklin from Peter Collinson, 27 September 1752 (Franklin Papers)
ALS : American Philosophical Society In thine of June 19 mention is made of not receiveing a...
393To Benjamin Franklin from John Perkins, 16 October 1752 (Franklin Papers)
ALS : American Philosophical Society I received yours of Septr. with the Observations for which I...
394To Benjamin Franklin from John Perkins, 23 October 1752 (Franklin Papers)
ALS and AL : American Philosophical Society In the Inclos’d you have all I have to say of that...
395To Benjamin Franklin from Cadwallader Colden, 24 October 1752 (Franklin Papers)
Draft: New-York Historical Society I now send back to you Wilson on Electricity for the use of...
396To Benjamin Franklin from William Mercer, 11 November 1752 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp....
397To Benjamin Franklin from [William Parsons], 15 January 1753 (Franklin Papers)
Draft: Historical Society of Pennsylvania When I left Philadelphia and every Friend and...
398To Benjamin Franklin from Peter Collinson, 27 January 1753 (Franklin Papers)
ALS : American Philosophical Society Tho’ I am much engaged yett I cannot Lett Mesnard Sail...
399To Benjamin Franklin from James Alexander, 29 January 1753 (Franklin Papers)
Copies of letter and enclosure: New-York Historical Society The rare transits of Venus across the...
400To Benjamin Franklin from John Franklin, [January 1753] (Franklin Papers)
Draft: New York Academy of Medicine With Regard to our fathers Estate I can only so far Inform...